# intensity.ppx

From spatstat v1.44-0
by Adrian Baddeley

##### Intensity of a Multidimensional Space-Time Point Pattern

Calculates the intensity of points in a multi-dimensional point
pattern of class `"ppx"`

or `"pp3"`

.

##### Usage

```
## S3 method for class 'ppx':
intensity(X, \dots)
```

##### Arguments

- X
- Point pattern of class
`"ppx"`

or`"pp3"`

. - ...
- Ignored.

##### Details

This is a method for the generic function `intensity`

.
It computes the empirical intensity of a multi-dimensional point pattern
(object of class `"ppx"`

including `"pp3"`

),
i.e. the average density of points per unit volume.

If the point pattern is multitype, the intensities of the different types are computed separately.

##### Value

- A single number or a numeric vector.

##### Examples

```
X <- osteo$pts[[1]]
intensity(X)
marks(X) <- factor(sample(letters[1:3], npoints(X), replace=TRUE))
intensity(X)
```

*Documentation reproduced from package spatstat, version 1.44-0, License: GPL (>= 2)*

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